DK0987838T3 - Mobile station using directional antennas - Google Patents

Mobile station using directional antennas

Info

Publication number
DK0987838T3
DK0987838T3 DK98117714T DK98117714T DK0987838T3 DK 0987838 T3 DK0987838 T3 DK 0987838T3 DK 98117714 T DK98117714 T DK 98117714T DK 98117714 T DK98117714 T DK 98117714T DK 0987838 T3 DK0987838 T3 DK 0987838T3
Authority
DK
Denmark
Prior art keywords
mobile station
directional antennas
antennas
directional
station
Prior art date
Application number
DK98117714T
Other languages
Danish (da)
Inventor
Jasper Knudsen
Benny Vejlgaard
Original Assignee
Bosch Gmbh Robert
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of DK0987838T3 publication Critical patent/DK0987838T3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DK98117714T 1998-09-18 1998-09-18 Mobile station using directional antennas DK0987838T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19980117714 EP0987838B1 (en) 1998-09-18 1998-09-18 Mobile station employing directional antennas

Publications (1)

Publication Number Publication Date
DK0987838T3 true DK0987838T3 (en) 2005-04-04

Family

ID=8232657

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98117714T DK0987838T3 (en) 1998-09-18 1998-09-18 Mobile station using directional antennas

Country Status (4)

Country Link
EP (1) EP0987838B1 (en)
DE (1) DE69828277D1 (en)
DK (1) DK0987838T3 (en)
ES (1) ES2234060T3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6989797B2 (en) 1998-09-21 2006-01-24 Ipr Licensing, Inc. Adaptive antenna for use in wireless communication systems
US6404386B1 (en) 1998-09-21 2002-06-11 Tantivy Communications, Inc. Adaptive antenna for use in same frequency networks
KR100463379B1 (en) * 2002-02-18 2004-12-29 (주)텔레시스테크놀로지 Method for adaptive beamforming system of transmission and receiver smart antenna
US7263147B2 (en) 2003-10-14 2007-08-28 Intel Corporation Low bit error rate antenna switch for wireless communications
US7324817B2 (en) * 2004-02-07 2008-01-29 Interdigital Technology Corporation Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam pattern
JP4808013B2 (en) 2005-12-15 2011-11-02 富士通株式会社 Dynamic cell reconfiguration method and cellular network system to which the method is applied
WO2007126804A2 (en) * 2006-03-29 2007-11-08 Rotani, Inc. Methods and apparatus for resource selection using detected data throughput
EP2030390A4 (en) * 2006-06-20 2013-01-30 Ericsson Telefon Ab L M A user terminal for enhanced security in a wireless communications system, and a system for its use

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2614157B1 (en) * 1987-04-14 1994-04-08 Thomson Csf METHOD FOR AUTOMATIC SELECTION OF A DIRECTIVE RECEIVING ANTENNA AMONG A PLURALITY OF RECEIVING ANTENNAS
US5095535A (en) * 1988-07-28 1992-03-10 Motorola, Inc. High bit rate communication system for overcoming multipath
JPH03220825A (en) * 1990-01-25 1991-09-30 Toyota Motor Corp Diversity receiver
DE4140741A1 (en) * 1991-12-11 1993-06-17 Flachglas Ag Duplex diversity operation of vehicular mobile radio installation - comparing buffered radiotelephone reception quality signals for actuation of transistor-switched antenna selection relay
JP3235041B2 (en) * 1993-11-10 2001-12-04 日本電信電話株式会社 TDD wireless communication system

Also Published As

Publication number Publication date
DE69828277D1 (en) 2005-01-27
EP0987838B1 (en) 2004-12-22
EP0987838A1 (en) 2000-03-22
ES2234060T3 (en) 2005-06-16

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